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參數資料
| 型號： | SZ25B18LS |
| 廠商： | SOLID STATE DEVICES INC |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | 18 V, 0.25 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE |
| 封裝： | HERMETIC SEALED, GLASS PACKAGE-2 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 177K |
| 代理商： | SZ25B18LS |
Solid State Devices, Inc.
14701 Firestone Blvd * La Mirada, Ca 90638
Phone: (562) 404-4474 * Fax: (562) 404-1773
ssdi@ssdi-power.com * www.ssdi-power.com
DESIGNER’S DATA SHEET
FEATURES:
Hermetically Sealed in Glass
Axial Lead Rated at 250 mW
Surface Mount Rated at 400 mW
Available in Axial (L), Round Tab Surface Mount (SM)
and Square Tab Surface Mount (SMS) Versions
Available to TX, TXV, and Space Levels
5/
Available in 10% and 5% Tolerances. For other Voltage
Tolerances, Contact Factory.
NOTE: All specifications are subject to change without notification.
SCD's for these devices should be reviewed by SSDI prior to release.
Maximum Ratings
Symbol
Value
Units
Nominal Zener Voltage
VZ
2.4 - 43
V
Zener Current
L
SM, SMS
IZM
5.5 - 95
8.25 – 142.5
mA
Continuous Power
L
SM, SMS
PD
250
400
mW
Operating and Storage Temp.
Top,
Tstg
-65 to +175
C
Thermal Resistance,
Junction to Lead, L=3/8” (for L)
Junction to End Cap (for SM, SMS)
Junction to Ambient (for All)
RθJL
RθJE
RθJA
500
300
600
C/W
Part Number/Ordering Information 4/
SZ25 __
__
__ __
└
Screening 5/ __ = Not Screened
TX = TX Level
TXV = TXV
S = S Level
│
└ Package Type 3/
L = Axial Leaded
SM = Surface Mount Round Tab
SMS = Surface Mount Square Tab
│
└
Voltage/Family
2.4 thru 43 = 2.4V thru 43V, See Table on Page 2
│
└
Voltage Tolerance
A = 10% Voltage Tolerance
B = 5% Voltage Tolerance
SZ25A2.4
thru
SZ25A43
250mW and 400mW
2.4 – 43 VOLTS
ZENER DIODES
DIM
MIN.
MAX
A
.060”
.090”
B
.120”
.200”
C
1.00”
---
D
.018”
.022”
AXIAL (L)
All dimensions are prior to soldering
DIM
MIN.
MAX.
A
.057”
.067”
B
.130”
.146”
C
.010”
.022”
D
Body to Tab Clearance: .001”
ROUND TAB (SM)
All dimensions are prior to soldering
DIM
MIN.
MAX.
A
.070”
.078”
B
.175”
.210”
C
.023”
.027”
D
Body to Tab Clearance: .001”
SQUARE TAB (SMS) All dimensions are prior to soldering
DATA SHEET #: Z00001H
DOC
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